CN110379306A - A kind of cover board of bent display panel, bent display panel and display device - Google Patents
A kind of cover board of bent display panel, bent display panel and display device Download PDFInfo
- Publication number
- CN110379306A CN110379306A CN201910498173.3A CN201910498173A CN110379306A CN 110379306 A CN110379306 A CN 110379306A CN 201910498173 A CN201910498173 A CN 201910498173A CN 110379306 A CN110379306 A CN 110379306A
- Authority
- CN
- China
- Prior art keywords
- bent
- cover board
- display panel
- material layer
- flexible material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
Abstract
The present invention provides a kind of cover board of bent display panel, and the cover board includes bendable folding area and the non-bent area for connecting bendable folding area both ends；The bendable folding area includes flexible material layer and the hard material layer that is set on the flexible material layer；The non-bent area includes glass substrate, and the edge of the flexible material layer of the connection of the glass substrate bendable folding area is formed with type groove, and the end of the flexible material layer extends in the type groove；The utility model has the advantages that the embodiment of the present invention is by using glass in non-bent area, add the structure of flexible material layer using hard material layer in bendable folding area, reaching reduces the cost of bent cover board, improves surface hardness and enhances the technical effect of user's feel, and in non-bent area close to the flexible material layer edge setting type groove and filling flexible material of bendable folding area, a part of folding s tress is offset, the service life of product is improved.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of cover boards of bent display panel, bent display surface
Plate and display device.
Background technique
As the technology of flexible OLED constantly develops, flexible OLED display is more and more wider in the terminals utilization such as mobile phone
General, it is a hair from the DF (foldable) in present SF (fixed curvature) to future that the terminals such as mobile phone, which show more and more diversified,
Exhibition trend, wherein the cover board utilization of folding mobile phone is also more and more extensive, the foldable cover (CW) that present tradition uses is main
If adding hard coat on transparent PI (polyimides), using the foldable cover of this sampling technology can exist cost compared with
High, the problems such as surface hardness is inadequate, feel is bad.
In conclusion the cover board of the bent display panel of the prior art, adds hard coat on transparent PI due to using
Structure, lead to that higher cost, surface hardness are inadequate, feel is bad.Therefore, it is necessary to a kind of new bent display panel is provided
Cover board improve this defect.
Summary of the invention
The embodiment of the present invention provides a kind of cover board of bent display panel, for solving the bent display of the prior art
The cover board of panel, due to using the structure for adding hard coat on transparent PI, cause higher cost, surface hardness not enough, feel
Bad technical problem.
The embodiment of the present invention provides a kind of cover board of bent display panel, and the cover board includes bendable folding area, Yi Jilian
Connect the non-bent area at bendable folding area both ends；The bendable folding area includes flexible material layer and is set to the flexible material
Hard material layer on the bed of material；The non-bent area includes glass substrate, the connection of the glass substrate bendable folding area
The edge of flexible material layer be formed with type groove, the end of the flexible material layer extends in the type groove.
According to one preferred embodiment of the present invention, the depth of the type groove is less than or equal to the flexible material of the bendable folding area
The thickness of the bed of material.
According to one preferred embodiment of the present invention, the cross sectional shape of the type groove is rectangle, triangle or arc.
According to one preferred embodiment of the present invention, the thickness range of the hard material layer is 0.01 millimeter to 0.03 millimeter.
According to one preferred embodiment of the present invention, the thickness range of the flexible material layer of the bendable folding area is 0.07 millimeter
To 0.09 millimeter.
According to one preferred embodiment of the present invention, the thickness of the flexible material layer Yu the hard coat of the bendable folding area it
With it is equal with the thickness of glass substrate of the non-bent area.
According to one preferred embodiment of the present invention, the flexible material is polyimides.
According to one preferred embodiment of the present invention, the lid surface is provided with black out ink, the black out ink with it is described
The four edges of cover board are corresponding, and are located at the side of type groove opening, for separating the cover board corresponding to described bent aobvious
Show viewing area and the non-display area of panel.
The embodiment of the present invention provides a kind of bent display panel, and the bent display panel includes above-mentioned cover board.
The embodiment of the present invention provides a kind of display device, and the display device includes above-mentioned bent display panel.
The utility model has the advantages that a kind of cover board of bent display panel provided in an embodiment of the present invention, by making in non-bent area
With glass, add the structure of flexible material layer using hard material layer in bendable folding area, reaching reduces the cost of bent cover board, mentions
High surface hardness and the technical effect for enhancing user's feel, and in non-bent area close to the flexible material layer edge of bendable folding area
Type groove and filling flexible material are set, offsets a part of folding s tress, improves the service life of product.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those skilled in the art, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the floor map of the cover board of bent display panel provided in an embodiment of the present invention；
Fig. 2 a~2c is the cross-section diagram of the cover board of bent display panel provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those skilled in the art's every other implementation obtained without making creative work
Example, shall fall within the protection scope of the present invention.
The cover board of the bent display panel of the prior art, due to leading using the structure for adding hard coat on transparent PI
Cause higher cost, surface hardness is inadequate, feel is bad, and the present embodiment is able to solve the defect.
As shown in Figure 1, the floor map of the cover board of bent display panel provided in an embodiment of the present invention, it can from figure
To be intuitive to see very much the part composed structure of the cover board of bent display panel of the invention, the cover board includes bendable folding area
101 and connection 101 both ends of bendable folding area non-bent area 102, the non-bent area 102 includes buffer area 103, institute
It states lid surface and is additionally provided with ink frame 104, the ink frame 104 is a kind of black out ink, for by display device
Non-display area separates, the frame of similar mobile phone.
Wherein, the bendable folding area 101 includes flexible material layer and the hard being set on the flexible material layer
Material layer, the non-bent area includes glass substrate, the flexible material layer of the connection of the glass substrate bendable folding area 101
Edge be formed with type groove, the end of the flexible material layer extends in the type groove, the type groove correspond to the buffering
Area 103, this structure make the cover board have bendable folding endurance, reduce costs, improve surface hardness and touch feeling,
And it (is formed slow in flexible material layer edge setting type groove and filling flexible material of the non-bent area 102 close to bendable folding area 101
Rush area 103), a part of folding s tress can be offset, the service life of product is improved.
As shown in Fig. 2 a~2c, the cross-section diagram of the cover board of bent display panel provided in an embodiment of the present invention, Cong Tuzhong
It can be intuitive to see very much the part composed structure of the cover board of bent display panel of the invention, the cover board includes bent
Area 201 and the non-bent area 202 for connecting bendable folding area both ends；The non-bent area 202 includes buffer area 203；It is described
Bendable folding area 201 includes flexible material layer 204 and the hard material layer 205 being set on the flexible material layer 204；
The non-bent area 202 includes glass substrate, the flexible material layer 204 of the connection of the glass substrate bendable folding area 201
Edge be formed with type groove 207, the end of the flexible material layer 204 extends in the type groove, and the type groove 207 corresponds to
The buffer area 203；The lid surface is provided with black out ink 208, the four edges of the black out ink 208 and the cover board
It is corresponding, and it is located at the side of the type groove 207 opening, for separating the cover board corresponding to the aobvious of the bent display panel
Show area and non-display area.
Correspondingly, the depth of the type groove 207 is less than or equal to the flexible material layer 204 of the bendable folding area 201
Thickness, the cross sectional shape of the type groove are rectangle 207 (such as Fig. 2 a), triangle 209 (such as Fig. 2 b) or arc 210 (such as Fig. 2 c)
Deng.
In this embodiment, the thickness range of the hard material layer 205 is 0.01 millimeter to 0.03 millimeter, the bendable
The thickness range of the flexible material layer 204 of folding area 201 is 0.07 millimeter to 0.09 millimeter；The flexible material of the bendable folding area 201
The sum of the thickness of the bed of material 204 and the hard coat 205 is equal with the thickness of glass substrate 206 of the non-bent area 202.
Specifically, the flexible material is polyimides, and the technique that the glass substrate of the buffer area 203 forms groove is
Chemical etching or computer numerical control cutter or laser first use chemical etching or computer number in the production process
It controls glass baseplate surface of the processing method of cutter or laser in buffer area 203 and forms type groove, then determine bendable folding area
The glass substrate of non-bent area 202 with the width is that (type groove side is close on simple glass apart from relatively fixed by width
Bendable folding area 201 is arranged), flexible material is then refilled, depth of cracking closure is the flexible material layer 204 of the bendable folding area 201
Thickness, on flexible material layer 204 make hard material layer 205, finally with simple glass removing after obtain cover board, and
Subsequent black out ink 208 is made, the production of cover board is completed.
In this embodiment, by the way that type groove is arranged close to the flexible material layer edge of bendable folding area in non-bent area and fills
Flexible material (forms buffer area), can offset a part of folding s tress, reduces glass and is damaged, and can extend product uses the longevity
It falls off when ordering, and can prevent cover board from bending.
The embodiment of the present invention provides a kind of bent display panel, and the bent display panel includes above-mentioned cover board.
The embodiment of the present invention provides a kind of display device, and the display device includes above-mentioned bent display panel.
In conclusion a kind of cover board of bent display panel provided in an embodiment of the present invention, by making in non-bent area
With glass, add the structure of flexible material layer using hard material layer in bendable folding area, reaching reduces the cost of bent cover board, mentions
High surface hardness and the technical effect for enhancing user's feel, and in non-bent area close to the flexible material layer edge of bendable folding area
Type groove and filling flexible material are set, offsets a part of folding s tress, improves the service life of product, solve the prior art
The cover board of bent display panel, due to leading to higher cost, surface hardness using the structure for adding hard coat on transparent PI
Not enough, the bad technical problem of feel.
It is provided for the embodiments of the invention the cover board of bent display panel a kind of, bent display panel and aobvious above
Showing device is described in detail.It should be understood that illustrative embodiments as described herein should be to be considered only as descriptive, it is used for
It facilitates the understanding of the method and its core concept of the invention, and is not intended to restrict the invention.
Claims (10)
1. a kind of cover board of bent display panel, which is characterized in that the cover board includes can described in bendable folding area and connection
The non-bent area at bent area both ends；
The bendable folding area includes flexible material layer and the hard material layer that is set on the flexible material layer；
The non-bent area includes glass substrate, the edge of the flexible material layer of the connection of the glass substrate bendable folding area
It is formed with type groove, the end of the flexible material layer extends in the type groove.
2. the cover board of bent display panel as described in claim 1, which is characterized in that the depth of the type groove be less than or
Equal to the thickness of the flexible material layer of the bendable folding area.
3. the cover board of bent display panel as claimed in claim 2, which is characterized in that the cross sectional shape of the type groove is square
Shape, triangle or arc.
4. the cover board of bent display panel as described in claim 1, which is characterized in that the thickness model of the hard material layer
Enclose is 0.01 millimeter to 0.03 millimeter.
5. the cover board of bent display panel as claimed in claim 4, which is characterized in that the flexible material of the bendable folding area
The thickness range of layer is 0.07 millimeter to 0.09 millimeter.
6. the cover board of bent display panel as claimed in claim 5, which is characterized in that the flexible material of the bendable folding area
The sum of layer and the thickness of the hard coat are equal with the thickness of glass substrate of the non-bent area.
7. the cover board of bent display panel as described in claim 1, which is characterized in that the flexible material is that polyamides is sub-
Amine.
8. the cover board of bent display panel as described in claim 1, which is characterized in that the lid surface is provided with shading
Ink, the black out ink is corresponding with the four edges of the cover board, and is located at the side of type groove opening, described for separating
Cover board corresponds to viewing area and the non-display area of the bent display panel.
9. a kind of bent display panel, which is characterized in that the bent display panel includes described in claim 1 to 8
Cover board.
10. a kind of display device, which is characterized in that the display device includes bent display panel as claimed in claim 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910498173.3A CN110379306A (en) | 2019-06-10 | 2019-06-10 | A kind of cover board of bent display panel, bent display panel and display device |
| PCT/CN2019/106262 WO2020248418A1 (en) | 2019-06-10 | 2019-09-17 | Cover plate for bendable display panel, bendable display panel, and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910498173.3A CN110379306A (en) | 2019-06-10 | 2019-06-10 | A kind of cover board of bent display panel, bent display panel and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110379306A true CN110379306A (en) | 2019-10-25 |
Family
ID=68250016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910498173.3A Pending CN110379306A (en) | 2019-06-10 | 2019-06-10 | A kind of cover board of bent display panel, bent display panel and display device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110379306A (en) |
| WO (1) | WO2020248418A1 (en) |
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| CN110807991A (en) * | 2019-11-08 | 2020-02-18 | 武汉华星光电半导体显示技术有限公司 | Cover plate and display device |
| CN111063258A (en) * | 2019-12-06 | 2020-04-24 | 武汉华星光电半导体显示技术有限公司 | Cover plate, preparation method of cover plate and display device |
| CN111564109A (en) * | 2020-05-07 | 2020-08-21 | 武汉华星光电半导体显示技术有限公司 | Cover plate glass and display device with same |
| WO2021036119A1 (en) * | 2019-08-30 | 2021-03-04 | 武汉华星光电半导体显示技术有限公司 | Cover plate and flexible display apparatus |
| CN112837613A (en) * | 2019-11-22 | 2021-05-25 | 群创光电股份有限公司 | Bendable display device |
| CN113112909A (en) * | 2020-01-10 | 2021-07-13 | 夏普株式会社 | Cover window for foldable display device |
| CN113129747A (en) * | 2021-04-06 | 2021-07-16 | 武汉华星光电技术有限公司 | Packaging cover plate and display device |
| CN113628537A (en) * | 2020-05-09 | 2021-11-09 | 深圳市柔宇科技有限公司 | Flexible cover plate and flexible display panel |
| CN113644217A (en) * | 2021-07-22 | 2021-11-12 | 武汉华星光电半导体显示技术有限公司 | Flexible cover plate and flexible display device |
| CN113870723A (en) * | 2021-11-26 | 2021-12-31 | 赛德半导体有限公司 | Bendable cover plate, preparation method, display panel and display device |
| CN113888982A (en) * | 2021-10-22 | 2022-01-04 | 合肥维信诺科技有限公司 | Folding cover plate and display device |
| US11227514B2 (en) | 2019-12-06 | 2022-01-18 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Cover, manufacturing method of cover, and display device |
| CN114120833A (en) * | 2021-11-26 | 2022-03-01 | 赛德半导体有限公司 | Ultrathin glass cover plate and preparation method thereof, display panel and display device |
| CN115050267A (en) * | 2022-06-30 | 2022-09-13 | 昆山国显光电有限公司 | Flexible cover plate and display module |
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| CN110807991A (en) * | 2019-11-08 | 2020-02-18 | 武汉华星光电半导体显示技术有限公司 | Cover plate and display device |
| CN112837613B (en) * | 2019-11-22 | 2023-12-01 | 群创光电股份有限公司 | Bendable display device |
| CN112837613A (en) * | 2019-11-22 | 2021-05-25 | 群创光电股份有限公司 | Bendable display device |
| CN111063258A (en) * | 2019-12-06 | 2020-04-24 | 武汉华星光电半导体显示技术有限公司 | Cover plate, preparation method of cover plate and display device |
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| US11227514B2 (en) | 2019-12-06 | 2022-01-18 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Cover, manufacturing method of cover, and display device |
| CN113112909A (en) * | 2020-01-10 | 2021-07-13 | 夏普株式会社 | Cover window for foldable display device |
| CN111564109A (en) * | 2020-05-07 | 2020-08-21 | 武汉华星光电半导体显示技术有限公司 | Cover plate glass and display device with same |
| CN113628537A (en) * | 2020-05-09 | 2021-11-09 | 深圳市柔宇科技有限公司 | Flexible cover plate and flexible display panel |
| CN113129747A (en) * | 2021-04-06 | 2021-07-16 | 武汉华星光电技术有限公司 | Packaging cover plate and display device |
| CN113644217A (en) * | 2021-07-22 | 2021-11-12 | 武汉华星光电半导体显示技术有限公司 | Flexible cover plate and flexible display device |
| WO2023000445A1 (en) * | 2021-07-22 | 2023-01-26 | 武汉华星光电半导体显示技术有限公司 | Flexible cover plate and flexible display apparatus |
| CN113888982A (en) * | 2021-10-22 | 2022-01-04 | 合肥维信诺科技有限公司 | Folding cover plate and display device |
| CN113870723A (en) * | 2021-11-26 | 2021-12-31 | 赛德半导体有限公司 | Bendable cover plate, preparation method, display panel and display device |
| CN114120833A (en) * | 2021-11-26 | 2022-03-01 | 赛德半导体有限公司 | Ultrathin glass cover plate and preparation method thereof, display panel and display device |
| JP7272720B1 (en) | 2021-11-26 | 2023-05-12 | ▲賽▼▲徳▼半▲導▼体有限公司 | Cover plate having foldable area for covering display module, manufacturing method thereof, display panel and display device using same |
| CN113870723B (en) * | 2021-11-26 | 2022-02-25 | 赛德半导体有限公司 | Bendable cover plate, preparation method, display panel and display device |
| CN115050267A (en) * | 2022-06-30 | 2022-09-13 | 昆山国显光电有限公司 | Flexible cover plate and display module |
| CN115050267B (en) * | 2022-06-30 | 2023-11-14 | 昆山国显光电有限公司 | Flexible cover plate and display module |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020248418A1 (en) | 2020-12-17 |
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Application publication date: 20191025 |